samba - Mar 2011 - ACL Lost and unable to set rights from explorer (xp)

Hi all, 

I have 2 problems :-( 

Im running debian kernel 2.6.32 samba 3.5.6.
i upgraded my samba from 3.2.4 to 3.5.6 
now i have the following problems. 

When i want to set my rights on a folder i get "access denied" 
this was working ok with the 3.2.4 version. 

fstab has acl,user_xattr on the partition i use for samba. 
what did i forget in this, or what is changed between these versions of
samba.
i didnt change my smb.conf

second.

i have a nfs mounted share. users are able to access the folders and files
on this share.
i symlinked for every user the user folder to the home/nfsmounted folder of
the users.
this also worked on 3.2.4 but now 1 get access denied. 
when i ssh to my server then im able to access the symlinked folder, but not
from xp. 

Setup.
samba PDC with ldap.

anyone idee's, i googled a lot already but couldnt find a fix. 


im also seening these messages in the following logs:
log.smb
[2011/03/31 14:00:37.657069,  1] smbd/server.c:240(cleanup_timeout_fn)
  Cleaning up brl and lock database after unclean shutdown


my log of my pc.
[2011/03/31 12:24:56.757172,  0]
modules/vfs_posixacl.c:349(smb_acl_to_posix)
  smb_acl_to_posix: ACL is invalid for set (Invalid argument)

011/03/31 08:30:22.227927,  1] smbd/service.c:678(make_connection_snum)
  create_connection_server_info failed: NT_STATUS_ACCESS_DENIED

011/03/30 23:52:11.037062,  0] smbd/nttrans.c:2204(call_nt_transact_ioctl)
  call_nt_transact_ioctl(0x900eb): Currently not implemented.

i hoop someone can help me.

best regards, 

Louis
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